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Postprint
DOI: 10.5445/IR/1000084385
Veröffentlicht am 11.07.2018

Modular Multilevel Converters as Active Filters to Mitigate Low Frequency Current Harmonics in Converter Fed Grid Applications

Bräckle, Dennis; Mersche, Stefan; Schnarrenberger, Mathias; Himmelmann, Patrick; Hiller, Marc

Abstract:
This paper describes a method to improve converter fed grid structures with Modular Multilevel Converters (MMC). In grids with decentralized energy production and bidirectional power flow, an increasing number of power electronic loads and sources make power quality an important issue to ensure grid stability. The MMC topology is highly suitable to meet the requirements of a low Total Harmonic Distortion (THD) and voltage stability due to its high quality output voltages. In combination with power line communication based on harmonic injection, MMCs compensate low frequency grid current harmonics and imbalances to improve the power quality. A standalone laboratoryscale converter-fed microgrid including low voltage MMCs shows the capability of the developed control
algorithms.


Zugehörige Institution(en) am KIT Elektrotechnisches Institut (ETI)
Publikationstyp Proceedingsbeitrag
Jahr 2018
Sprache Englisch
Identifikator ISBN: 978-3-8007-4646-0
URN: urn:nbn:de:swb:90-843859
KITopen ID: 1000084385
HGF-Programm 37.06.01; LK 01
Erschienen in PCIM Europe: International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nürnberg, 5.-7. Juni 2018
Verlag VDE Verlag, Berlin
Seiten 218-225
Schlagworte MMC; Converter Control; Active Filter; Grid Stability
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